Sarah Flack is the author of Organic Dairy Production and is a nationally known speaker and consultant on grazing and organic livestock. She grew up on a Vermont family farm that used management intensive grazing and mob stocking, and she has studied Alan Savory’s Holistic Planned Grazing. Sarah has a master’s degree in plant and soil science from the University of Vermont. She has written extensively about grass farming and is well known in the ACRES community. When she is not traveling, Sarah lives in northern Vermont on her small solar-powered farm.